They do detect underground blasts, and they would probably detect a surface-level explosion as well. The Air Force Technical Applications Center looks at some o

They do detect underground blasts, and they would probably detect a surface-level explosion as well. The Air Force Technical Applications Center looks at some of that data to determine if a nuclear bomb went off https://en.wikipedia.org/wiki/Air_Force_Technical_Applications_Center https://en.wikipedia.org/wiki/Air_Force_Technical_Applicatio...